425450515544 has 16 divisors (see below), whose sum is σ = 797726679120. Its totient is φ = 212723401120.

The previous prime is 425450515517. The next prime is 425450515577. The reversal of 425450515544 is 445515054524.

It is a junction number, because it is equal to n+sod(n) for n = 425450515495 and 425450515504.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1518842 + ... + 1777014.

It is an arithmetic number, because the mean of its divisors is an integer number (49857917445).

Almost surely, 2^425450515544 is an apocalyptic number.

It is an amenable number.

425450515544 is a deficient number, since it is larger than the sum of its proper divisors (372276163576).

425450515544 is a wasteful number, since it uses less digits than its factorization.

425450515544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464170 (or 464166 counting only the distinct ones).

The product of its (nonzero) digits is 1600000, while the sum is 44.

The spelling of 425450515544 in words is "four hundred twenty-five billion, four hundred fifty million, five hundred fifteen thousand, five hundred forty-four".